kotp

def dsh(un, va)
  (va.size - 1).downto(1) {|j| va[j] = va[0 .. j].inject(1) { |pr, it| pr * it } }
  ar = un.zip va
  hs = {}
  ar.each {|i| hs[i[0]] = i[1] }
  hs
end

chischaschos

class A
end

puts "--" + A.instance_methods(false).join(', ')

class A
  def otro
  end
end

RyanScottLewis

module RuleBook
  def RuleBook.add_rules(object, instance_or_class, rules)
    instance_or_class = instance_or_class.to_s.downcase.strip.to_sym
    raise(ArgumentError, "'instance_or_class' must equal :instance or :class") unless [:instance, :class].include?(instance_or_class)
    raise(ArgumentError, "'rules' must be a Hash") unless rules.is_a?(Hash)

    unless object.instance_variable_get(:@_rulebook_initiated) # Class instance variable. Not class variable. Not instance variable. Is confusing.
      object.instance_variable_set(:@_rulebook_initiated, true)
      object.instance_variable_set(:@_rulebook, {:instance=>{}, :class=>{}}) # @_rulebook is actually two rulebooks, instance and class
    end

igrigorik

def tip(msg); puts; puts msg; puts "-"*100; end

#
# 30 Ruby 1.9 Tips, Tricks & Features:
# http://www.igvita.com/2011/02/03/new-ruby-19-features-tips-tricks/
#

tip "Upgrading to Ruby 1.9 is simple: rvm install 1.9.2 && rvm --default 1.9.2"

tip "Ruby 1.9 supports named captures in regular expressions!"

copiousfreetime

#!/usr/bin/env ruby

#
# A quick script to dump an overview of all the open issues in all my github projects
#

require 'octokit'
require 'awesome_print'
require 'rainbow'

parndt

#!/usr/bin/env ruby

#
# A quick script to dump an overview of all the open issues in all my github projects
#

require 'octokit'
require 'awesome_print'
require 'rainbow'

danhigham

#!/usr/bin/ruby
require 'rubygems'
require 'open-uri'
require 'hpricot'

dependencies = [:wget, :curl]
dependencies.each { |program| !`which #{program.to_s}`.empty? || STDERR.puts( "Requires #{program}") }

index_doc = Hpricot(open("http://confreaks.net/events/scotlandruby2011"))

RyanScottLewis

#!/bin/ruby

Gem::Specification.new do |s|
  s.author = "John Doe"
  s.email = "j.doe@email.com"
  
  s.description = "helps out with writing your project."
  s.summary = "A library helps your project!"
  
  s.require_paths = ["lib"]

mjackson

def a(*args, &block)
  puts "a got a block" if block_given?
end

def b(*args, &block)
  puts "b got a block" if block_given?
end

# In this call, `b' is called with the block and the
# return value is given to `a' as an argument.

IndianGuru

# First get the current local time
t = Time.now
# to get day, month and year with century
# also hour, minute and second
puts t.strftime("%d/%m/%Y %H:%M:%S")

# You can use the upper case A and B to get the full
# name of the weekday and month, respectively
puts t.strftime("%A") 
puts t.strftime("%B")